November 30th, 2021

June 8th, 2021

December 17th, 2020

October 30th, 2020

October 27th, 2020

September 22nd, 2020

September 2nd, 2020

August 10th, 2020

The Critical Change Value

Aristo Trilog slide rule

The critical change value indicates the maximum amount of change allowed in the meter’s energy registers during disturbance tests without any current flowing in the meter’s current circuits.

July 28th, 2020

July 22nd, 2020

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